M(H2SO4)=98g/moln=m/M=0.5moln(H+)=2n=1mol n(NaOH)=n(H+)=1molm(NaOH)=M(NaOH)*n=40*1=40g1L计算过于麻烦.用物质的量计算才是最简便的
根据方程式计算H2SO4+2NaOH=Na2SO4+2H2O98-----8049------xx=40g
